Exemplo n.º 1
0
class LongRunTestCase(unittest.TestCase):

    def setUp(self):
        self.config = Config.get_config()
        self.db = DB()
        self.db.check_upgrade()
        self.mark_db_ids()

        self.test_folder = tempfile.mkdtemp()
        self.files_folder = os.path.join(self.test_folder, "files")
        self.store_folder = os.path.join(self.test_folder, "store")
        self.restore_folder = os.path.join(self.test_folder, "restore")
        utils.makedirs(self.files_folder)
        utils.makedirs(self.store_folder)
        utils.makedirs(self.restore_folder)
        
        #    Build the base set of files
        with open(os.path.join(self.files_folder, "base"), "w") as f:
            f.write("base")

        with open(os.path.join(self.files_folder, "incr"), "w") as f:
            f.write("0")
            
        config_file = os.path.expanduser("~/.vault")
        if not os.path.exists(config_file):
            raise Exception("Vault test configuration file (~/.vault) does not exist")
        self.store_config = ConfigParser.RawConfigParser()
        self.store_config.read(config_file)

    #    FOLDER STORE
        self.store = FolderStore("teststore", "50MB", True, self.store_folder)
    #    DROPBOX STORE
#        self.login = self.store_config.get("DropBox", "login")
#        self.password = self.store_config.get("DropBox", "password")
#        self.folder = self.store_config.get("DropBox", "folder")
#        self.app_key = self.store_config.get("DropBox", "app_key")
#        self.app_secret_key = self.store_config.get("DropBox", "app_secret_key")
#        self.store = DropBoxStore("teststore", 0, False, self.folder, self.login, self.password,
#                                  self.app_key, self.app_secret_key)
    #    S3 STORE
#        self.key = self.store_config.get("Amazon", "aws_access_key_id")
#        self.secret_key = self.store_config.get("Amazon", "aws_secret_access_key")
#        self.bucket = self.store_config.get("Amazon", "bucket")
#        self.store = S3Store("teststore", 0, False, bucket=self.bucket, key=self.key, secret_key=self.secret_key)

        #    Now record the existance of this store
        self.config.storage[self.store.name] = self.store


        #    Build the backup object (dont save config)
        self.backup = Backup("testbackup")
        self.backup.include_folders = [self.files_folder]
        self.backup.store = self.store.name
        self.backup.notify_msg = False
        self.old_pass = self.config.data_passphrase
        self.config.data_passphrase = "goofy"
        self.backup.encrypt = True
        self.config.backups[self.backup.name] = self.backup

        #    build an options object for use with the backup
        self.options = BlankClass()
        self.options.dry_run = False
        self.options.message = False
        self.options.email = False
        self.options.shutdown = False
        self.options.norecurse = False
        
        #    How many cycles?
        self.cycles = 20

    def tearDown(self):
        self.config.data_passphrase = self.old_pass
        #    Remove all DB records created during this test
        self.clean_db()
        shutil.rmtree(self.test_folder)
        self.assertFalse(os.path.isdir(self.test_folder))


    def testLongRun(self):

        #    Run a full backup
        b = Run(self.backup.name, const.FullBackup, self.options)
        b.run()

        for cycle in xrange(self.cycles):
            print(str(cycle)+"\r")
            time.sleep(1)
            
            #    Change some files
            with open(os.path.join(self.files_folder, "incr"), "w") as f:
                f.write(os.urandom(100))

            with open(os.path.join(self.files_folder, str(cycle)), "w") as f:
                f.write(os.urandom(100))
            

            #    Run an incr backup
            b = Run(self.backup.name, const.IncrBackup, self.options)
            b.run()

        
        #    Attempt to restore every file
        r = Restore(self.restore_folder, [self.files_folder],
                                          datetime.now(), self.options)
        r.run()
        
        #    Lets break it
#        os.remove(os.path.join(self.restore_folder, self.files_folder[1:], "1"))
#        with open(os.path.join(self.files_folder, "incr"), "w") as f:
#            f.write("-1")       
#        with open(os.path.join(self.restore_folder, self.files_folder[1:], "8"), "w") as f:
#            f.write("-1")       

        #    Check that the restored folder and original folder are identical
        left = unicode(self.files_folder)
        right = unicode(os.path.join(self.restore_folder, self.files_folder[1:]))
        d = utils.dircmp(left, right)

        self.assertEqual(d.left_only, set())
        self.assertEqual(d.right_only, set())
        self.assertEqual(d.diff_files, set())
        self.assertTrue(len(d.same_files) > 0)

        #    Check that all files are in the DB
        for folder, _, local_files in os.walk(self.files_folder):
            for file in local_files:
                path = os.path.join(file, folder)
                #    This will raise an exception if it does not exist
                self.db.select_path(path, build=False)



############################################################################
#
#    Utility Routines
#
############################################################################

    def mark_db_ids(self):
        self.max_fs_id = self.db.query("select max(fs_id) from fs", ())[0][0]
        if self.max_fs_id is None:
            self.max_fs_id = 0
        self.max_version_id = self.db.query("select max(version_id) from versions", ())[0][0]
        if self.max_version_id is None:
            self.max_version_id = 0
        self.max_run_id = self.db.query("select max(run_id) from runs", ())[0][0]
        if self.max_run_id is None:
            self.max_run_id = 0
        self.max_message_id = self.db.query("select max(message_id) from messages", ())[0][0]
        if self.max_message_id is None:
            self.max_message_id = 0

    def clean_db(self):
        self.db.execute("delete from messages where message_id > ?", (self.max_message_id,))
        self.db.execute("delete from versions where version_id > ?", (self.max_version_id,))
        self.db.execute("delete from fs where fs_id > ?", (self.max_fs_id,))
        self.db.execute("delete from runs where run_id > ?", (self.max_run_id,))
Exemplo n.º 2
0
class ServerTestCase(unittest.TestCase):

    def setUp(self):
        self.config = Config.get_config()
        self.db = DB()
        self.db.check_upgrade()
        self.mark_db_ids()

        self.test_folder = tempfile.mkdtemp()
        self.files_folder = os.path.join(self.test_folder, "files")
        self.store_folder = os.path.join(self.test_folder, "store")
        self.restore_folder = os.path.join(self.test_folder, "restore")
        utils.makedirs(self.files_folder)
        utils.makedirs(self.store_folder)
        utils.makedirs(self.restore_folder)

        utils.build_file_structure(self.files_folder, 50 * const.Kilobyte, 500 * const.Kilobyte)

        #    Build a store object (dont save the config)
        #    Note the careful size selection - we want backups to overflow the FolderStore.
        self.store = FolderStore("teststore", "2MB", True, self.store_folder)
        self.config.storage[self.store.name] = self.store

        #    Build the backup object (dont save config)
        self.backup = Backup("testbackup")
        self.backup.include_folders = [self.files_folder]
        self.backup.store = self.store.name
        self.backup.notify_msg = False
        self.old_pass = self.config.data_passphrase
        self.config.data_passphrase = "goofy"
        self.backup.encrypt = True
        self.config.backups[self.backup.name] = self.backup

        #    build an options object for use with the backup
        self.options = BlankClass()
        self.options.dry_run = False
        self.options.message = False
        self.options.email = False
        self.options.shutdown = False
        self.options.norecurse = False


    def tearDown(self):
        self.config.data_passphrase = self.old_pass
        #    Remove all DB records created during this test
        self.clean_db()
        shutil.rmtree(self.test_folder)
        self.assertFalse(os.path.isdir(self.test_folder))


    def testBackupRestore(self):
        self.backup_restore_compare()

    def testCheckFiles(self):
        self.backup.include_packages = True
        b = Run("testbackup", const.FullBackup, self.options)
        b.run()
        #    Check that all the right files are there.
        runs = self.db.runs(self.backup.name)
        self.assertEqual(len(runs), 1)
        run = runs[0]
        folder = run.folder
        self.assertTrue(self.store.exists(os.path.join(folder, const.PackageFile + const.EncryptionSuffix)))
        self.assertTrue(self.store.exists(os.path.join(folder, const.LOFFile + const.EncryptionSuffix)))
        self.assertTrue(self.store.exists(os.path.join(folder, const.ConfigName + const.EncryptionSuffix)))

        self.assertTrue(self.store.exists)

    def testAutoManagementOfStore1(self):
        #    Run a set of backups that will overload the store. 
        #    The automanaged store should continue to archive old backups as required.
        #    Store space reclaimation happens across all backups (i.e. any run).
        #    We should see older runs from the first backup disappear.
        max_size, dummy, dummy = self.store.limit_details()

        filesize = utils.du(self.backup.include_folders[0])

        #    Lets make sure we are going to do enough backups that
        #    the older ones will be removed.
        RunCount = (max_size // filesize) + 2


        last_start = None
        for cycle in xrange(RunCount):
            if last_start:
                #    Make sure we have ticked to another second since the start of the last backup.
                while datetime.now() - last_start < timedelta(seconds=1):
                    time.sleep(0.01)

            backup = Backup(self.backup.name + str(cycle))
            backup.include_folders = self.backup.include_folders
            backup.store = self.backup.store
            backup.notify_msg = False
            self.config.backups[backup.name] = backup

            #    Run a full backup
            b = Run(backup.name, const.FullBackup, self.options)
            b.run()
            last_start = b.start_time

            #    Assert that the store is still of an appropriate size
            size, used, avail = self.store.current_usage()
            self.assertTrue(avail >= 0)
            self.assertTrue(used <= max_size)

            #    Confirm that's true on disk
            disksize = utils.du(self.store.root)
            self.assertTrue(disksize <= max_size)


        #    Check that some runs have actually been deleted
        runs = self.db.runs(self.backup.name + "0")
        self.assertTrue(len(runs) == 0)
        runs = self.db.runs(self.backup.name + "1")
        self.assertTrue(len(runs) == 0)

    def testAutoManagementOfStore2(self):
        #    Run one backup multiple times to overload a store
        max_size, dummy, dummy = self.store.limit_details()

        filesize = utils.du(self.backup.include_folders[0])

        #    Lets make sure we are going to do enough backups that
        #    the older ones will be removed.
        RunCount = (max_size // filesize) + 2

        last_start = None
        for cycle in xrange(RunCount):

            if last_start:
                #    Make sure we have ticked to another second since the start of the last backup.
                while datetime.now() - last_start < timedelta(seconds=1):
                    time.sleep(0.01)

            #    Run a full backup
            b = Run(self.backup.name, const.FullBackup, self.options)
            b.run()

            last_start = b.start_time

            #    Assert that the store is still of an appropriate size
            size, used, avail = self.store.current_usage()
            self.assertTrue(avail >= 0)
            self.assertTrue(used <= max_size)

            #    Confirm that's true on disk
            disksize = utils.du(self.store.root)
            self.assertTrue(disksize <= max_size)


        #    Check that some runs have actually been deleted
        runs = self.db.runs(self.backup.name)
        self.assertTrue(len(runs) < RunCount)

    def testChanges(self):
        pass
        #    Full Backup
        #    change a file
        #    Incremental backup
        #    Restore most recent. ensure you get latest file
        #    Restore to just prior to incremental, ensure you get earlier file
        #    Run a full backup
        file = os.path.join(self.files_folder, "changer")
        restore_file = os.path.join(self.restore_folder, file[1:])

        #    t=0 - file does not exist
        b = Run("testbackup", const.FullBackup, self.options)
        b.run()

        #    Make sure we have ticked to another second since the start of the last backup.
        while datetime.now() - b.start_time < timedelta(seconds=1):
            time.sleep(0.01)

        #    t=1 - file exists
        with open(file, "w") as f:
            f.write("1")
        b = Run("testbackup", const.IncrBackup, self.options)
        b.run()

        #    Make sure we have ticked to another second since the start of the last backup.
        while datetime.now() - b.start_time < timedelta(seconds=1):
            time.sleep(0.01)

        #    t=2 - file changed
        with open(file, "w") as f:
            f.write("2")
        b = Run("testbackup", const.IncrBackup, self.options)
        b.run()

        #    Get the times
        runs = self.db.runs("testbackup")
        t0 = runs[0].start_time
        t1 = runs[1].start_time
        t2 = runs[2].start_time

        for t, exists, contents in [(t0, False, None), (t1, True, "1"), (t2, True, "2"), (None, True, "2")]:
            #    Attempt to restore most recent of ALL files
            #    This tests the default restore.
            r = Restore(self.restore_folder, [self.files_folder], t, self.options)
            r.run()
            if exists:
                with open(restore_file, "r") as f:
                    self.assertEqual(f.read(), contents)
            else:
                self.assertFalse(os.path.exists(restore_file))
            #    clean
            shutil.rmtree(self.restore_folder)
            utils.makedirs(self.restore_folder)


    def test7bitFilenames(self):
        #    Make some 7 bit filenames
        strange_folder = os.path.join(self.files_folder, "strange")
        utils.makedirs(strange_folder)
        for i in xrange(1, 117, 10):
            name = "".join([chr(j) for j in xrange(i, i + 10) if chr(j) != "/"])
            path = os.path.join(strange_folder, name)
            with open(path, "w") as f:
                f.write(os.urandom(100))

        self.backup_restore_compare()

    def testUnicodeFilenames(self):
        #    Make some unicode bit filenames
        #    Clean out the ordinary files
        shutil.rmtree(self.files_folder)
        utils.makedirs(self.files_folder)
        unicode_folder = os.path.join(unicode(self.files_folder), u"unicode")
        utils.makedirs(unicode_folder)
        for i in xrange(1000, 1200, 10):
            name = u"".join([unichr(j) for j in xrange(i, i + 10) if unichr(j) != u"/"])
            path = os.path.join(unicode_folder, name)
            with open(path, "w") as f:
                f.write(os.urandom(10))

        self.backup_restore_compare()

    def backup_restore_compare(self):
        #    Run a full backup
        b = Run("testbackup", const.FullBackup, self.options)
        b.run()

        #    Make sure we have ticked to another second since the start of the last backup.
        while datetime.now() - b.start_time < timedelta(seconds=1):
            time.sleep(0.01)


        #    Attempt to restore every file
        r = Restore(self.restore_folder, [self.files_folder],
                                          datetime.now(), self.options)
        r.run()

        #    Check that the restored folder and original folder are identical
        left = unicode(self.files_folder)
        right = unicode(os.path.join(self.restore_folder, self.files_folder[1:]))
        d = utils.dircmp(left, right)

        self.assertEqual(d.left_only, set())
        self.assertEqual(d.right_only, set())
        self.assertEqual(d.diff_files, set())
        self.assertTrue(len(d.same_files) > 0)

        #    Check that all files are in the DB
        for folder, _, local_files in os.walk(self.files_folder):
            for file in local_files:
                path = os.path.join(file, folder)
                #    This will raise an exception if it does not exist
                self.db.select_path(path, build=False)

############################################################################
#
#    Utility Routines
#
############################################################################

    def mark_db_ids(self):
        self.max_fs_id = self.db.query("select max(fs_id) from fs", ())[0][0]
        if self.max_fs_id is None:
            self.max_fs_id = 0
        self.max_version_id = self.db.query("select max(version_id) from versions", ())[0][0]
        if self.max_version_id is None:
            self.max_version_id = 0
        self.max_run_id = self.db.query("select max(run_id) from runs", ())[0][0]
        if self.max_run_id is None:
            self.max_run_id = 0
        self.max_message_id = self.db.query("select max(message_id) from messages", ())[0][0]
        if self.max_message_id is None:
            self.max_message_id = 0

    def clean_db(self):
        self.db.execute("delete from messages where message_id > ?", (self.max_message_id,))
        self.db.execute("delete from versions where version_id > ?", (self.max_version_id,))
        self.db.execute("delete from fs where fs_id > ?", (self.max_fs_id,))
        self.db.execute("delete from runs where run_id > ?", (self.max_run_id,))